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Memory Beta, non-canon Star Trek Wiki
Memory Beta, non-canon Star Trek Wiki
For other uses, see Bortas.

The bortaS bIr-class was a Klingon starship class, a battleship in service to various Great Houses of the Klingon Empire in the 2250s decade. (DSC episode: "Battle at the Binary Stars", ST Issue The Official Starships Collection: "DSC01")


The class name meant cold revenge in Klingonese. (ST Issue The Official Starships Collection: "DSC01" partwork)

This was one of four Klingon attack ship classes, all variants of the same basic spaceframe. Besides the bortaS bIr, the other Klingon attack ship classes were Qaw', Qoj and veqlargh. The ship consisted of a spear-like elongated primary hull, framed by a pair of long, bulky and forward-facing warp nacelles with weapon ports. The nacelles and neck section were connected by a compact engineering hull marked with a circle and impulse engines at its stern. (ST Issue The Official Starships Collection: "DSC10"

The bortaS bIr was a battleship, armed with disruptor beam arrays and photon torpedo launchers. (STO - Mirror of Discovery mission: "Battle of the Binary Stars")

In 2256, ships of the class belonging to Great Houses loyal to Kol, son of Kol-Sha received a House of T'Kuvma cloaking device. (DSC episode: "Lethe")

Service history[]

Ships of the class were employed by the Klingon Great Houses by 2256. (DSC episode: "Battle at the Binary Stars")

Ships of this class were also used by Klingons of the mirror universe around the same time. (STO - Mirror of Discovery mission: "Para Pacem")

Several vessels of this class fought in the war between the Federation and Klingon Empire, also known as Burnham's War, starting with the Battle of the Binary Stars in May 2256. (DSC episode: "Battle at the Binary Stars")

In November 2256, General Kol, son of Kol-Sha, traveled aboard a BortaS bir-class ship to claim the crippled Sarcophagus at the binary system. (DSC episode: "The Butcher's Knife Cares Not for the Lamb's Cry")

In 2257, a pair of bortaS bIr-class battleships were part of an armada gathering in the Sol system to attack Earth. The armada disengaged and returned to Klingon space when Chancellor L'Rell ended the war. (DSC episode: "Will You Take My Hand?")

In 2410, the temporal displacement of J'Ula and many of her forces of House of Mo'Kai from the Defense of Starbase 1 to present-day, the bortaS bIr class returned service. (STO - Age of Discovery mission: "Downfall")

Ships of the class, including from a 2256-era mirror universe, were involved with transtemporal events instigated by Sylvia Tilly at Pahvo. (STO - Mirror of Discovery missions: "Para Pacem", "Illusion of Communication", "Peril at Pahvo")



Klingon starship classes
Klingonese names AkifAn'quatBaSro'BatlhBre'elB'relB'RotlhBaka Re'Ber'taaBesz Ra'te'BirokBortasBortaS bIrBortasqu'Ch'TangCharghCharghwI'Chava'KalChontayChunDabChuq'BehChutokDaSpuD'akaD'amaDath D'lanD'esta KarD'GavamaDujHodEakin K'nallFek'lhrFer'JaiH'ban PavHaqtajHegh'taHoH'SuSJachJach'EngJfolokhKlinzhaiK'mirraK'nallK'nelK't'aggaK't'allaK't'ingaK't'karaK't'maraK't'rikaK'TancoK'vortK'vort ChaKalathKamaragKarasKas MaalK'el Ri'andaKh'exrilinK'hanakhKhitomer (bird-of-prey)Kl'arKlolodeKl'sarzaKl'xenovaKolothKom Ka'desKomo ValKorathKorebaKoro't'ingaKronosK'tochL'rexaLar'halLara'atanLI'wI'Mas To GalMat'HaMay'DujM'ChlaMoghMoQMortum HestaNa Ra'denNegh'VarNemosinNing'taoNorghNovNuQ'DujOnirosPachPeghqu'PIHPlen ZhaPumwI'Puyjaqqa'HoSQangQaw'DunQeh'RalQexaQeylIS BetleHQibQinQojQorghQuDQughRiskadhSechSivistaSomrawSuQ'jaghSuQobSuvwI'QehT'h'larTa'SubTajtiqTalat Kh'exestaTas'estaTor'KahtTy'GokorV'al'konV'kar ZadanV's'taloVakkVo'QuvVoDleHVoodiehVor'chaVor'KangXechasZ'galZ'gavastaZ'gavvaZ'mortamaZha Mortas Emblem of the Klingon Empire.
Translated names AccuserAdministratorAllianceBattle CruiserBird of PreyBringer of AgonyBringer of DestinyBringer of DestructionBringer of JusticeCarrier of DoomCatapultChancellorDeath BootDeath RiteDeath StalkerDefenderEmperorEnforcerEver VictoriousFat ManFierce RevengeGreat BirdGrim Reaper • (Gull) • HealerInsurrectionLittle KillerLucklessMenderMover • (Murph) • One WingPainbringerPathmakerPredator • (Raptor) • RavenousRelentlessRevengeSaberSeekerShadowSpeedstarStalkerStarStingerStingtongueStrong VictorStronger BirdSuspiciousSwiftwindSword of KahlessThrone SeekerTrader's GameTruthbringerTugboatUnseen CreeperWarrior's AngerWatcherWinner
Alphanumeric names B5D2D3D4D4xD5D6D7 • (D7/D5 KlolodeD7 AkifD7AD7CD7GD7MD7RD7SD7 Koloth) • D9D10 (bird of prey)D10 (cruiser)D11D12 (bird of prey)D12 (cruiser)D14D16D18D20D32E4E6F5F5BF5CF5GF5GBF5KF5LF5WF5YF6FWCFWKFWLG2G3G4G5G6G8K3K4K5K6K14K15K17K18K22 • (K22B) • K23K24K26K27K30K32L6L9L13L24L42S4S5S8T3T5T12W2
By time period or type Birds-of-prey (22nd century bird of prey2260s bird of prey) • 23rd century scout vesselmobile battle basebattleshipcargo shipcolony shipconstruction shipdropshipmining freighterprison bargerepair shipscout ship

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